class Song(object):
    def __init__(self,lyrics):
        self.lyrics = lyrics

    def sing_me_a_song(self):
        for line in self.lyrics:
            print(line)

ly1 = ["Happy birthday to you",
       "I don't want to get sued",
       "So I'll stop right there"]
happy_bday = Song(ly1)

ly2 = ["They rally around tha family",
       "With pockets full of shells"]
bulls_on_parade = Song(ly2)

happy_bday.sing_me_a_song()
bulls_on_parade.sing_me_a_song()